1 /* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Martin Hentschel <info@cl-soft.de> 30 * 31 */ 32 33 using System; 34 using System.Text; 35 36 namespace CCodeGeneration 37 { 38 public enum ConstType 39 { 40 None, 41 Value, 42 Indirection, 43 Both 44 } 45 46 public class VariableType : ICloneable 47 { 48 public const string VoidString = "void"; 49 public static readonly VariableType Void = new VariableType(null, "void"); 50 51 public string Name { get; set; } 52 public string Type { get; set; } 53 public string Indirection { get; set; } 54 public ConstType Const { get; set; } 55 public string ArraySpecifier { get; set; } 56 VariableType()57 public VariableType() 58 { 59 } 60 VariableType(string name, string type, string indirection = null, ConstType const_ = ConstType.None, string arraySpecifier = null)61 public VariableType(string name, string type, string indirection = null, ConstType const_ = ConstType.None, string arraySpecifier = null) 62 { 63 this.Name = name; 64 this.Type = type; 65 this.Indirection = indirection; 66 this.Const = const_; 67 this.ArraySpecifier = arraySpecifier; 68 } 69 GenerateCode(CGenerator generator)70 public void GenerateCode(CGenerator generator) 71 { 72 if (!String.IsNullOrWhiteSpace(this.Type)) 73 { 74 generator.OutputStream.Write(this.ToString().Trim()); 75 } 76 } 77 ToString()78 public override string ToString() 79 { 80 if (!String.IsNullOrWhiteSpace(this.Type)) 81 { 82 StringBuilder vt = new StringBuilder(); 83 84 if ((this.Const == ConstType.Value) || (this.Const == ConstType.Both)) 85 { 86 vt.Append("const "); 87 } 88 89 vt.Append(this.Type); 90 vt.Append(" "); 91 92 if (!String.IsNullOrWhiteSpace(this.Indirection)) 93 { 94 vt.Append(this.Indirection); 95 } 96 97 if ((this.Const == ConstType.Indirection) || (this.Const == ConstType.Both)) 98 { 99 vt.Append("const "); 100 } 101 102 if (!String.IsNullOrWhiteSpace(this.Name)) 103 { 104 vt.Append(this.Name); 105 } 106 107 if (this.ArraySpecifier != null) 108 { 109 vt.Append("["); 110 vt.Append(this.ArraySpecifier); 111 vt.Append("]"); 112 } 113 114 return vt.ToString().Trim(); 115 } 116 117 return base.ToString(); 118 } 119 120 #region ICloneable Member 121 Clone()122 public object Clone() 123 { 124 // we only have value types as members -> simply use .net base function 125 return this.MemberwiseClone(); 126 } 127 128 #endregion 129 } 130 } 131